Middle Eastern Mezze Plate

1/2 small red onion, thinly sliced

1 10-ounce package couscous (1 1/2 cups)

2 cups frozen shelled edamame

1 1/2 cups cherry tomatoes, halved

1/4 cup chopped fresh parsley

3 tablespoons extra-virgin olive oil

Juice of 1 lemon

Kosher salt and freshly ground pepper

Kosher salt and freshly ground pepper 

1 cup hummus, preferably roasted red pepper-flavored

8 stuffed grape leaves (from the deli counter)

1/4 cup jarred Peppadew peppers, halved

2 whole-wheat pitas, cut into wedges and toasted